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Finding the Fourth Proportional to 153,044.16, 211,220.64 and 85,989.12

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Solution

The fourth proportional to 153,044.16, 211,220.64 and 85,989.12 is: 118,676.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,044.16 : 211,220.64 = 85,989.12 : x
  2. Step 2: Convert to fraction form
    153,044.16/211,220.64 = 85,989.12/x
  3. Step 3: Cross multiply
    153,044.16x = 211,220.64 × 85,989.12
  4. Step 4: Simplify right side
    153,044.16x = 18,162,676,959.44
  5. Step 5: Solve for x
    x = 18,162,676,959.44/153,044.16
  6. Step 6: Final answer
    x = 118,676.05

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